Flow Boiling Demonstration Apparatus Model BSG 005

Sci-tech Flow Boiling Demonstration Apparatus Model BSG 005, the process of evaporation in heated pipes that occurs in water-tube boilers can be demonstrated. The different phases that appear during evaporation in the pipe can be clearly seen. The double-wall glass evaporation pipe allows the evaporation process to be observed closely. Hot water flows through the outer pipe and evaporates the medium in the inner pipe. The non-toxic liquid used starts to evaporate at 40 to 50°C. Low system pressures can be generated with the built-in water jet pump.

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With Sci-tech Flow Boiling Demonstration Apparatus Model BSG 005, the process of evaporation in heated pipes that occurs in water-tube boilers can be demonstrated. The different phases that appear during evaporation in the pipe can be clearly seen. The double-wall glass evaporation pipe allows the evaporation process to be observed closely. Hot water flows through the outer pipe and evaporates the medium in the inner pipe. The non-toxic liquid used starts to evaporate at 40 to 50°C. Low system pressures can be generated with the built-in water jet pump.

The pipe systems are clearly laid out on a metal panel. The hot water circuit consists of an expansion vessel, a circulating pump and heater. An evaporation pipe, vapour collector, water-cooled condenser and return pipe form the evaporation circuit.

SYSTEM COMPONENTS

  • Cooling water connection,
  • Evaporator pipe,
  • Shut off valve,
  • Water jet vacuum pump,
  • Collector with manometer, excess pressure valve and bleeding,
  • Condenser,
  • Hot water expansion vessel,
  • Thermometer for hot water feed,
  • Switch for heater and pump,
  • Circulating pump,
  • Electrical heater with thermostat
EXPERIMENTS Evaporation Flow: - Single phase liquid flow - Bubbly flow - Slug flow - Annular flow - Film boiling - Drop flow (mist) - Single phase vapour flow   Effect on the evaporation process: - flow rate - temperature - pressure  
OPERATION & MAINTENANCE MANUAL
Self-explanatory operating & maintenance manual will be provided. This will include Theory, operating procedure, standard results, and maintenance procedures.  
SERVICE REQUIRED AT SITE
  • Electric supply 220 ~ 240V AC, 50 Hz
  • Water line